rack and pinion gearing
齿条–小齿轮传动装置

• monotony
• monovalent
• monovalent ion
• monoxide
• montage
• moon
• moon-beased laser communication system
• Mooney rhomb
• moonlight
• moon-shaped lens
• mopopulse optical radar
• moring-magnet instrument
• morphology
• morphotropy
• Morse taper
• mortar
• mosaic
• mosaic block
• mosaicker
• mosaic structure
• mosaic surface
• MOS floating point
• mositure
• mositure absorption
• Mos photodiode